UNITED NATIONS (VIENNA) (1983) Factory*. Atom*. Wheat*. Unaccepted artwork for Trade and Development. Pen and watercolor on card stock, measuring 16.3 x 22.3 cm. Scott No 35. Design by Burt Pringle, who designed many US, UN and foreign stamps
AVAILABLE AT $140
CHAD (1976) Albert Einstein*. Imperforate corner block of 4. Scott No C196, Yvert No PA183.
AVAILABLE AT $20
GERMANY (1979) Fission of uranium*. Specimen (overprinted MUSTER). Scott No 1300, Yvert No 866. Otto Hahn's Nobel Prize research.
AVAILABLE AT $15
GERMANY (1982) James Franck*. Max Born*. Specimen (overprinted MUSTER). Scott No 1381, Yvert No 979. Discoverers of quantum theory.
AVAILABLE AT $15
U.S.A. (1948) Radio. Electronics. Television. Schematic of atom*. Red meter cancellation on piece Commercial Controls Corporation No 51743: "Electronics Park, New world center for progress in radio, television and electronics."
AVAILABLE AT $25
VIETNAM (1979) Einstein*. Double horizontal perforations in block of 4. Scott No 983, Yvert No 165.
AVAILABLE AT $50
F.S.A.T. (1975) Rockets*. Aurora*. Magnetosphere research*. Full sheet of 5 triptych. Scott No C40a, Yvert No PA41a.
AVAILABLE AT $75
ANTIGUA (2008) Explorer III launch, in orbit. Van Allen radiation belt. Imperforate M/S of 6. Scott No 3014.
AVAILABLE AT $40
GHANA (1964) Einstein*. Atomic symbol*. G. W. Carver*. Sweet potato*. Set of 3 imperforate blocks of 4. Scott Nos 189-91. Human Rights Day.
AVAILABLE AT $60
GHANA (1964) Einstein*. Atomic symbol*. G. W. Carver*. Sweet potato*. Set of 3 imperforate pairs. Scott Nos 189-91. Human Rights Day.
AVAILABLE AT $30